Analysis

  • max time kernel
    118s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2023 09:34

General

  • Target

    Swift_Copy.exe

  • Size

    436KB

  • MD5

    a3cda996e2b93785deeac0dae2f6cbe6

  • SHA1

    218d5c95f0ac830408a7a9c3c5bc5328768ba05c

  • SHA256

    86db57c0bc187639ab985ffa4dd383a2704273aada862ff21b62de85c6f88748

  • SHA512

    b30bc0a47154e46b4f607711bc131146628fab61b0754301e2443f3575db3fdf4a1255117af2c0a5cb59e855713ffc389993f87f423805bd1d457987eb480c8d

  • SSDEEP

    6144:FCvZQF2uFxbIBMPryJc3Nz7jCbT3Cdeh2kPYjj1XzVB8PQqZ:FCuFfbNyq3NzXCvCdMCN

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.thereccorp.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    O@123456

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift_Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift_Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1060

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1060-140-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1060-153-0x0000000005140000-0x0000000005150000-memory.dmp

    Filesize

    64KB

  • memory/1060-146-0x0000000006CE0000-0x0000000006EA2000-memory.dmp

    Filesize

    1.8MB

  • memory/1060-145-0x00000000069D0000-0x0000000006A20000-memory.dmp

    Filesize

    320KB

  • memory/1060-144-0x00000000069C0000-0x00000000069CA000-memory.dmp

    Filesize

    40KB

  • memory/1060-143-0x0000000005140000-0x0000000005150000-memory.dmp

    Filesize

    64KB

  • memory/1060-142-0x0000000005050000-0x00000000050B6000-memory.dmp

    Filesize

    408KB

  • memory/3712-136-0x0000000005390000-0x000000000542C000-memory.dmp

    Filesize

    624KB

  • memory/3712-139-0x00000000051E0000-0x00000000051F0000-memory.dmp

    Filesize

    64KB

  • memory/3712-138-0x0000000005450000-0x000000000546E000-memory.dmp

    Filesize

    120KB

  • memory/3712-137-0x00000000054B0000-0x0000000005526000-memory.dmp

    Filesize

    472KB

  • memory/3712-133-0x0000000000800000-0x0000000000874000-memory.dmp

    Filesize

    464KB

  • memory/3712-135-0x0000000005250000-0x00000000052E2000-memory.dmp

    Filesize

    584KB

  • memory/3712-134-0x0000000005760000-0x0000000005D04000-memory.dmp

    Filesize

    5.6MB